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Animal Weight

How much does a Black-spined Atlantic tree-rat weight?

It is hard to guess what a Black-spined Atlantic tree-rat weights. But we have the answer:

An adult Black-spined Atlantic tree-rat (Phyllomys nigrispinus) on average weights 224 grams (0.49 lbs).

The Black-spined Atlantic tree-rat is from the family Echimyidae (genus: Phyllomys). When reaching adult age, they grow up to 21.3 cm (0′ 9″).

As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.

The black-spined Atlantic tree-rat, (Phyllomys nigrispinus), is a South American spiny rat species in the family Echimyidae. It is found in southeastern Brazil, where it inhabits moist broadleaf forest and semideciduous forest in the Atlantic Forest region. It is arboreal and is believed to build nests of leaves in trees. Its karyotype has 2n=52.

Animals of the same family as a Black-spined Atlantic tree-rat

We found other animals of the Echimyidae family:

Animals with the same weight as a Black-spined Atlantic tree-rat

As a comparison, here are some other animals that weight as much as the Phyllomys nigrispinus:

Animals with the same size as a Black-spined Atlantic tree-rat

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Black-spined Atlantic tree-rat: